PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 4122161

4122161 — Technical Data Sheet

✓ Verified by PartsTable
— · NUT WASHER
WHAT YOU NEED TO KNOW
Match nut grade to bolt grade for full strength Lock nuts prevent loosening under vibration
Don't mix grades — weakens the joint
PRODUCT OVERVIEW

The NUT,PLAIN,HEXAGON is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, nut_style: HEXAGON, nut_height: 0.156 INCHES NOMINAL IN, thread_class: 3B, thread_series: UNF, thread_direction: RIGHT-HAND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 5310-00-012-2161, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
4122161
NSN: 5310-00-012-2161
FSC: 5310
CAGE: 6N299 — AGCO CORP PARTS OPN (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleHEXAGON
nut_height0.156 INCHES NOMINAL IN
thread_class3B
thread_seriesUNF
thread_directionRIGHT-HAND
width_across_flats0.438 INCHES NOMINAL IN
nominal_thread_size0.250 INCHES IN
thread_quantity_per_inch28
material_document_and_classificationQQ-S-633-CANC FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-012-2161
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 4122161 · OEM ⚠ VERIFY BEFORE ORDERING Grade matters for torque spec — don't mix grades. A Grade 5 nut on a Grade 8 bolt weakens the joint. Lock nuts, wing nuts, and castle nuts are NOT interchangeable with standard hex ✓ BROKER TIP Match nut to bolt thread class and material. Stainless bolt + zinc nut = galvanic corrosion. Always verify finish matches (plain, zinc, hot-dip galvanized) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
NUT HEIGHT: 0.156 INCHES NOMINAL IN
•
THREAD QUANTITY PER INCH: 28
•
NOMINAL THREAD SIZE: 0.250 INCHES IN
•
THREAD SERIES: UNF
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-633-CANC FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
THREAD CLASS: 3B
•
MATERIAL: STEEL OVERALL
•
NUT STYLE: HEXAGON
TECHNICAL CHARACTERISTICS
NUT HEIGHT0.156 INCHES NOMINAL IN
THREAD QUANTITY PER INCH28
NOMINAL THREAD SIZE0.250 INCHES IN
THREAD SERIESUNF
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-633-CANC FED SPEC SINGLE MATERIAL RESPONSE OVERALL
THREAD CLASS3B
MATERIALSTEEL OVERALL
NUT STYLEHEXAGON
WIDTH ACROSS FLATS0.438 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
12216-1InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
120613InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
FFB571TYPEAInterchangeableGOVERNMENT REGISTRY
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy 4122161?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 4122161?
4122161 is a NUT,PLAIN,HEXAGON.
What parts can replace 4122161?
There are 3 known substitutes for 4122161: 12216-1, 120613, FFB571TYPEA. Substitute compatibility should be verified for your specific system.
What is the NSN for 4122161?
4122161 is cataloged in the Federal Logistics Information System under NSN 5310-00-012-2161. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 4122161

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: October 2026